pandorafms/pandora_agents/shellscript/openWRT/pandora_serialread

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#!/bin/sh
# (c) Jorge Loza, Sancho Lerena 2007-2008
# Licensed under GPL2 Terms
# Pandora FMS - http://pandora.sf.net
TMPFILE=/tmp/pandora_async.tmp
SERIALPORT=/dev/usb/tts/0
variable=0
rm $TMPFILE 2> /dev/null
# Fork and let a process reading from serialport
cat < $SERIALPORT > $TMPFILE &
sleep 1
# Send gate read request to SERIALPORT
echo $1 > $SERIALPORT
until test -s $TMPFILE || test $variable -ge 200
do
variable=$(($variable + 1))
done
sleep 1
cat $TMPFILE | head -1
kill -0 $! && kill $!